Fahmi Idris, and Muhammad Ismail. “VOWEL PHONEMES”. Guruku: Jurnal Pendidikan dan Sosial Humaniora 1, no. 2 (July 10, 2023): 78–86. Accessed November 22, 2024. https://e-journal.poltek-kampar.ac.id/index.php/GURUKU/article/view/264.